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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2078396Generated: October 31, 2026

Pyrrolidine → HCID 86644169, compound

https://huagongshe.com/reaction/2078396

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrrolidineHCID 31268—
Reactant6-Chloro-1,3-dihydroindol-2-oneHCID 736344—
ReactantHCID 59443772HCID 59443772—
SolventMethanolHCID 887—
ProductHCID 86644169HCID 8664416978.9%

Reaction Conditions

Temperature70 °C

Reaction Steps

To the mixture of 6-chlorooxindole (4.9 g, 29.3 mmol) and 2-(5-Chloro-3-formyl-pyridin-2-yloxy)-2-methyl-propionic acid methyl ester (7.2 g, 28 mmol) in methanol (50 mL) was added pyrrolidine (2.3 mL, 28 mmol) dropwise. The mixture was then heated at 70° C. for 1 h. After cooled to room temperature, the mixture was filtered and the precipitate was collected, dried to give title compound as a yellow solid (9 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07928233B2
Source datasetuspto-grants-2011_04
ORD IDord-e4f02f13eeea41328762b288ace9aeb0
Source noteuspto-grants-2011_04